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For the Inventor, By the Inventor

Williamsport, PA, United States of America

Shop Vac Corporation


USPTO Granted Patents = 411

% Expired Patents = 5.6



Trademarks = 23

Forward Citations = 5,888

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62 inventors (with patents filed for the assignee):

goldMedal Robert C Berfield (137 out of 146 patents)

silverMedal John Griffin (130 out of 156 patents)

bronzeMedal Robert L Crevling, Jr (105 out of 108 patents)

4.  Craig A Seasholtz (65 out of 68 patents)

5.  Kevin D Fry (40 out of 43 patents)

6.  Jason S Gottschall (37 out of 38 patents)

7.  Melvin E Wolfe, Jr (33 out of 35 patents)

8.  Neil N Norell (26 out of 26 patents)

9.  Ronald F Meland (26 out of 27 patents)

10.  Mark E Baer (25 out of 29 patents)

11.  Li H Liu (24 out of 24 patents)

12.  Jonathan Miller (18 out of 37 patents)

13.  David M Martinez (18 out of 27 patents)

14.  Randy L Buss (15 out of 15 patents)

15.  James M Robitaille (14 out of 17 patents)


Core Competencies:
Vacuum Cleaner Assembly
Filter System
In-Vehicle Vacuum
Nozzle Attachment
Vacuum Tool
Modular Vacuum
Wet/Dry Vacuum
Locking Mechanism
Portable Vacuum
Airflow Indicator
Noise Reduction
Vacuum Bag

411 patents:

1. 11718275 - Grill and flapper valve for a vacuum cleaner assembly (2023-08-08),
2. 11708055 - Vacuum cleaner assembly (2023-07-25),
3. 11654868 - Vacuum cleaner to be installed in a vehicle (2023-05-23),
4. 11638508 - Locking assembly for in-vehicle vacuum cleaner (2023-05-02),
5. 11596284 - Vacuum tool with multiple use blades (2023-03-07),
6. 11510536 - Vacuum filter (2022-11-29),
7. 11490773 - Filter system for a vacuum cleaner (2022-11-08),
8. 11359643 - Fan having housing formed by connectable pieces and including air guide ribs and an internal ramp (2022-06-14),
9. 11304579 - Vacuum filter having annular catch (2022-04-19),
10. 11253120 - In-vehicle vacuum cleaner (2022-02-22),
11. 11109726 - Modular vacuum cleaner (2021-09-07),
12. 11096537 - Vacuum bag (2021-08-24),
13. 11077986 - Corner support assembly (2021-08-03),
14. 11071425 - Wide-area vacuum nozzle (2021-07-27),
15. 11013380 - Wet/dry vacuum bag (2021-05-25),
Shop-Vac Corporation is a leading manufacturer of wet/dry portable vacuum cleaners. Established in 1953, the company offers a wide range of quality vacuum products for both residential and industrial use. Shop-Vac's dependable and durable vacuums are designed to handle tough cleaning tasks effectively. With a commitment to innovation and customer satisfaction, Shop-Vac has become a trusted name in the vacuum cleaner industry.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Sep 15 2026

Shop Vac Corporation
411 Patents

#1 in Williamsport, PA

#50 in Pennsylvania

#1,139 in US

#2,274 in the World

Williamsport, PA (US)
Williamsport, PA, United States of America

Shop Vac Corporation

Forward Citations = 5,888

62 inventors:

goldMedal Robert C Berfield (137 out of 146 patents)

silverMedal John Griffin (130 out of 156 patents)

bronzeMedal Robert L Crevling, Jr (105 out of 108 patents)

4.  Craig A Seasholtz (65 out of 68 patents)

5.  Kevin D Fry (40 out of 43 patents)

Please report any incorrect information to [email protected]
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